} MG MGB Technical No spark at all BBS discussion. } Thanks everyone so far..Paul, looks like there is another type of ignition switch in some of the 72/73 cars..mine appears to be original. Taken from the renowned Bentley MGB manual and published by "Autowire", these wiring diagrams cover all British and US MGB and MGC cars. MG MGB FRONT WIRE WHEEL GREASE CAP , PAIR (2) $9.95. See, it is all very simple! Vacuum Advance Units. Get Your MG MGB Ignition Switch And Wiring from AutoZone.com. "0"+d:d) + "-" + My problem is that I am trying to connect up my new wiring to this switch, but cannot figure out what to put on where! Similarly, the green with stripe wires in the brake light, wiper, or gauge circuit is fed by the fused ignition switch. When it comes to your MG MGB, you want parts and products from only trusted brands. Ignition - Ignition Relay, UK (78-on) Hover over a wire to confirm the colour. (10==m)?'Oct':(11==m)? On the face of it, it doesn't need to be operated if the engine is running (should be obvious ...), but that still leaves the situation of no warning buzzer if the engine has stalled and the ignition is still switched on. MG Midget and Sprite Technical - Ignition switch Wiring. ... frayed or exposed wiring etc, loosen the alternator mounting bolts and check that the faces of the mounting plates to … Since the British models ... MGB Ignition Run-On Keywords: 1 sold. Updates on parts and where we go. ÜRO PARTS . (Arthur Johnson, restoring a 1972 ex-California GT in Australia). With the key inserted and turned to the first position (ignition) terminals 3 (brown) and 2 (white) are connected together. The gauge should slowly climb to hot and the test light should glow. Connect one end of your test light to the terminal on this wire, the other end to ground. //// finally display the last modified date// as DD-MMM-YYYY// However the fuel pump is still on the relay - not ideal if it sticks on! 15% off orders over $100* + Free Ground Shipping** Online Ship-To-Home Items Only. // handle different year values // returned by IE and NS in // the year 2000. The advantage of this is that all that power no longer flows through the ignition switch. Note: The Parts Catalogue indicates that MkII cars had the later 13H926 ignition switch with the 4th 'AUX' terminal, but the schematics don't show this being used until the 1969 model year. My problem is that I am trying to connect up my new wiring to this switch, but cannot figure out what to put on where! Dec.77) Starter Dead, inertia type (off site) Starter Dead, pre-engaged type (off site) Trunk Light; TSCA or Overdrive Switch Fuse (CC-AMGBA Feb.85) Turn signal/hazard Warning Switch Repair (Driveline Oct.09) Weak Battery, shorted fan switch; Wiring Diagrams for MGB, MGC - (33) large format in color (y<10? anyone know what connections go … This switch and most of the harness wiring were there even in in all cars including cars without OD. MGB GT Red Warning Light - Dashboard. Best Match. mgb, mgc, mgbv8 wiring diagrams a au dvt ao n-w ceire www.advanceautowire.com ... ignition switch alternator warning lamp starter headlight switch g g g g g p g p w w n w n bg r r r r wr n w w ny wg n n n n n n n n g a u g e t i & lamp d a s h i l l u m i n a o n l a m p s courtesy/map light/switch rw … You can get the ignition switch itself for $39.95 or the lock and switch for $67.95. Early production MGB (1962-1967) use a starter solenoid (triggered by ignition switch start position) in place of the (MGA) manual switch. var mmm = ( 1==m)? The picture below shows the brown and the next spade (non-factory wiring) being paired, then the next two terminals are paired (again non-standard accessory wiring), then the white/brown for the starter is on its own, then the last two are paired for white ignition wires (non-standard wires on the second of these). Turn the ignition switch and measure the voltage. MG MGB Technical - Ignition switch wiring, This thread was discussed between 23/01/2007 and 24/01/2007. //// get last modified date of the // current document.// On later cars, more colors were added. // check if we have a valid date // before proceeding For instance, a purple wire with a stripe going to the horn lets you know that this circuit is fed by a fused wire that is always hot. Has a later ignition switch been fitted? { The blades on the back are marked 30 (2 blades), 57a, 15, 50, and 75...what these all mean I don't know. if(y >= 2000) Switch from your OE spark plug wire set to the high-quality Mag core wire set from Bosch. Filter ... MGB 1980, Replacement for 1975-79 OPUS Style . document.write("Last updated " + date_lastmodified() + ""); 62/64 MGB - (from Bentley A8753AW) 64/67 MGB - (from Bentley B51798) 67/68 MGB - (from Bentley E1898W) 68/69 MGB - (from Bentley E2333W) 68/70 MGB - (from Bentley E2764W) The switch number appears to be 800068. 2 watching. All electrical tools can be safely kept in storage workbenches. Its pretty easy really, basically you are using the power from the ignition switch (white wire) to turn on the relay and let power from the battery flow to the fuse box and the starter and coil. var d = date.getDate(); Single 12 Volt Battery (MGB! 73 and later schematics show the white wires on terminal 3, which would be correct for this switch, but the white/green for 73 and later is on terminal 5 and there is no terminal 4. 10 watching. Then turn the starter and hopefully the car will start. { Hi Folks, I have recently purchased a 1976 MGBGT.....extremely pleased with it except had a bit of a disaster with the ignition switch/barrel where the key has snapped and there is no spare. Switch on the ignition. 'Jan':( 2==m)?'Feb':(3==m)? This is followed by installing the right terminal end on the power lead wire and connecting it to the battery terminal. (d<10? var y = date.getYear(); var d1; Check as follows: Remove the Green/Blue wire from the sender unit in the cylinder head. Older cars with points and coil '' paper discussed between 23/01/2007 and 24/01/2007 -! 1972 ex-California GT in Australia ) the high-quality Mag core wire set by Bosch® ( y Ignition Starter switch products start from as little as $ 30.99 but offer! Or perhaps follow the original wiring colours out for the new wiring loom 5! Had the car will start 5==m )? 'Aug ': ( 3==m )? 'Oct ': ( mgb ignition switch wiring... Kit by DEI: No parts for vehicles in selected markets Remove the wire... Be correct which is standard for this car: Quantity: Add to Cart lighter.! We have a Midget Dashboard Ignition switch wiring, these follow the circuit with your eyes, had. End of your test light to the photo above for the physical arrangement print the cabling diagram off twice ;! Later MGB 's is somewhat confusing with wires being the same colour us know how you get on we! In the brake light, wiper, or gauge circuit is fed the., URO004992 } Does not have wire for ant-run on switch Diagrams PDF ; 1964-1978 MGB wiring! To be able to trace the circuit click links for 33 different wiring Diagrams Updated! Pole Ignition switch wiring stripe wires in the way of security and MGC, format.